Page 23 - Chemical equilibria Volume 4

Γ :
Γ : k coefficient of activity of a group. Notations and Symbols xxi
characteristic function.
γ : coefficient of activity of the component i irrespective of the
reference state.
γ 0: activity coefficient of a solvent.
γ i: activity coefficient of the species i
()
I
γ : activity coefficient of component i, pure-substance
i
reference.
()
II
γ i : activity coefficient of component i, infinitely dilute solution
reference.
()
III
γ i : activity coefficient of component i, molar solution reference.
γ : mean activity coefficient of ions in an ionic solution.
±
γ s: activity coefficient of a solute.
0
Δ r A : standard value at temperature T of A associated with the
T
transformation r.
Δ r(A): value de A associated with the transformation r.
δ i,j: Kronecker delta.
δ : coefficient of pressure increase at volume V.
ε : lattice energy of an atom of A in lattice A.
()
A
A
ε attr: energy of attraction between molecules.
ε C-H: energy of the C-H bond.
ε i(e): electronic energy of a molecule i.
ε i(I): interactional energy of a molecule i.
ε i(n): nuclear energy of a molecule i.
ε i(r): rotational energy of a molecule i.
ε i(t): translational energy of a molecule i.
ε i(v): vibrational energy of a molecule i.
ε i,j: energy of interaction between two molecules i and j or pair
energy between atoms i and j.
ε p: potential energy of a molecule.
ε rep: repulsion energy between molecules.